body {
    font-family: Verdana, sans-serif;
    margin: 50px;
    color: #3f3028;
    background-image: linear-gradient(
            rgba(248, 238, 225, 0.55),
            rgba(248, 238, 225, 0.55)
    ), url("background.jpeg");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}
.proposal {
    width: 1000px;
    margin-left: auto;
    margin-right: auto;
}
.title {
    padding: 25px;
    margin-bottom: 20px;
    text-align: center;
    color: #fffaf3;
    background-color: #6f4e37;
    border-radius: 12px;
    box-shadow: 5px 5px 15px 2px rgba(0, 0, 0, 0.25);
}
.title h1 {
    margin: 0;
    font-family: "Xanh Mono", monospace;
    font-weight: 900;
}
.section {
    padding: 25px;
    margin-bottom: 20px;
    background-color: rgb(255 250 243 / 0.85);
    border-radius: 12px;
    box-shadow: 5px 5px 15px 2px rgba(0, 0, 0, 0.2);
}
h2 {
    margin-top: 0;
    padding-bottom: 8px;
    color: #6f4e37;
    border-bottom: 2px solid #c49a78;
    font-family: "Xanh Mono", monospace;
    font-weight: 900;
}
h3 {
    color: #6f4e37;
    font-family: "Xanh Mono", monospace;
    font-weight: 900;
}
p {
    line-height: 1.6;
}
li {
    margin-bottom: 7px;
}
.schema {
    width: 90%;
    display: block;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid #6f4e37;
}
video {
    display: block;
    width: 80%;
    max-width: 550px;
    height: auto;
    margin: 20px auto;
    border-radius: 10px;
}
.video video {
    display: block;
    width: 400px;
    max-width: 100%;
    height: auto;
    margin: 20px auto;
    border-radius: 10px;
}
.bottom {
    margin-top: 30px;
    text-align: center;
    font-style: italic;
}